When the JavaFX scene is set before it is really shown, then the scale factors are not properly propagated to the EmbeddedWindow, resulting in showing wrong scales. Fix is made to update scales to EmbeddedWindow
------------- Commit messages: - 8274932: Render scales in EmbeddedWindow are not properly updated Changes: https://git.openjdk.org/jfx/pull/1171/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1171&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8274932 Stats: 8 lines in 1 file changed: 8 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jfx/pull/1171.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1171/head:pull/1171 PR: https://git.openjdk.org/jfx/pull/1171
